﻿<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>single style affect multiple elements.</title>
    <style type="text/css">
        h1,p {
            color: navy;
            text-align: center;
        }
    </style>
</head>
    <body>
        this is normal text.
        
        <h1>this is header1</h1>
        <p>this is paragraph.</p>

    </body>
</html>
